/********************************************************************************************************
 * @file     BackgroundTimer.h
 *
 * @brief    for TLSR chips
 *
 * @author   Telink, 梁家誌
 * @date     2019/11/27
 *
 * @par     Copyright (c) [2021], Telink Semiconductor (Shanghai) Co., Ltd. ("TELINK")
 *
 *          Licensed under the Apache License, Version 2.0 (the "License");
 *          you may not use this file except in compliance with the License.
 *          You may obtain a copy of the License at
 *
 *              http://www.apache.org/licenses/LICENSE-2.0
 *
 *          Unless required by applicable law or agreed to in writing, software
 *          distributed under the License is distributed on an "AS IS" BASIS,
 *          WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *          See the License for the specific language governing permissions and
 *          limitations under the License.
 *******************************************************************************************************/

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface BackgroundTimer : NSObject
@property (nonatomic,assign,readonly) NSTimeInterval interval;

/// Chedules a timer that can be started from a background DispatchQueue.
+ (BackgroundTimer * _Nonnull)scheduledTimerWithTimeInterval:(NSTimeInterval)interval repeats:(BOOL)repeats block:(void (^ _Nonnull)(BackgroundTimer * _Nonnull t))block;

/// Asynchronously cancels the dispatch source, preventing any further invocation of its event handler block.
- (void)invalidate;

@end

NS_ASSUME_NONNULL_END
